one vs ono, What's the Difference?

Which to use

“one” is an adjective and “ono” is a pronoun - they look or sound alike but fill different roles in a sentence.

#1,219
“one” frequency rank: #37,444
“ono” frequency rank: 38663
confusion score

Side-by-Side Comparison

Feature	one	ono
Definition	único:	pronome pessoal neutro do caso nominativo da terceira pessoa do singular

Letter map: one vs ono

Shared letters muted; letters that set one and ono apart highlighted. Shared run: 2.

3 ch

one

3 ch

ono

Part-of-speech tell for one / ono

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: one is anadjective and onoapronoun. On the page they differ by a single letter - e in “one” becomes o in “ono”. Our composite confusion score for this pair is 38663, derived from the frequency rank of both members and their visual similarity.

one is recorded at frequency rank #1,219, classified as anadj, pronounced /ˈwɐn/. ono is at rank #37,444, tagged as apron.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 38663, this pair ranks #27,727 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of one vs ono

Shared letters: no. Private to "one": e. Private to "ono": -.

"one" · 3 letters · shape VCV · "ono" · 3 letters · shape VCV

Frequently Asked Questions

Can "one" and "ono" be used interchangeably?

No - they are not even the same part of speech. "one" is an adjective and "ono" a pronoun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "one" or "ono"?

"one" is the more common of the two: it sits at frequency rank #1,219 in our Portuguese list, against #37,444 for "ono". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "one" and "ono". Here's where to go from here.

Full dictionary entry for "one" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ono" - compare definitions side by side with the headword page. Word entry
This pair ranks #27,727 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"one" and "ono" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ono". Nearby pair

Confusion rank #27,727 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.